Regularization strategies in statistical image reconstruction of low‐dose x‐ray CT: A review
Statistical image reconstruction (SIR) methods have shown potential to substantially improve
the image quality of low‐dose x‐ray computed tomography (CT) as compared to the …
the image quality of low‐dose x‐ray computed tomography (CT) as compared to the …
Model-based tomographic reconstruction of objects containing known components
The likelihood of finding manufactured components (surgical tools, implants, etc.) within a
tomographic field-of-view has been steadily increasing. One reason is the aging population …
tomographic field-of-view has been steadily increasing. One reason is the aging population …
Iterative image reconstruction for sparse-view CT using normal-dose image induced total variation prior
X-ray computed tomography (CT) iterative image reconstruction from sparse-view projection
data has been an important research topic for radiation reduction in clinic. In this paper, to …
data has been an important research topic for radiation reduction in clinic. In this paper, to …
Characterization of statistical prior image constrained compressed sensing (PICCS): II. Application to dose reduction
PT Lauzier, GH Chen - Medical physics, 2013 - Wiley Online Library
Purpose: The ionizing radiation imparted to patients during computed tomography exams is
raising concerns. This paper studies the performance of a scheme called dose reduction …
raising concerns. This paper studies the performance of a scheme called dose reduction …
PIRPLE: a penalized-likelihood framework for incorporation of prior images in CT reconstruction
Over the course of diagnosis and treatment, it is common for a number of imaging studies to
be acquired. Such imaging sequences can provide substantial patient-specific prior …
be acquired. Such imaging sequences can provide substantial patient-specific prior …
Deriving adaptive MRF coefficients from previous normal‐dose CT scan for low‐dose image reconstruction via penalized weighted least‐squares minimization
Purpose: Repeated computed tomography (CT) scans are required for some clinical
applications such as image‐guided interventions. To optimize radiation dose utility, a normal …
applications such as image‐guided interventions. To optimize radiation dose utility, a normal …
Compressed sampling strategies for tomography
Y Kaganovsky, D Li, A Holmgren, HJ Jeon… - JOSA A, 2014 - opg.optica.org
We investigate new sampling strategies for projection tomography, enabling one to employ
fewer measurements than expected from classical sampling theory without significant loss of …
fewer measurements than expected from classical sampling theory without significant loss of …
dPIRPLE: a joint estimation framework for deformable registration and penalized-likelihood CT image reconstruction using prior images
Sequential imaging studies are conducted in many clinical scenarios. Prior images from
previous studies contain a great deal of patient-specific anatomical information and can be …
previous studies contain a great deal of patient-specific anatomical information and can be …
Deformable registration of CT and cone-beam CT with local intensity matching
S Park, W Plishker, H Quon, J Wong… - Physics in Medicine & …, 2017 - iopscience.iop.org
Cone-beam CT (CBCT) is a widely used intra-operative imaging modality in image-guided
radiotherapy and surgery. A short scan followed by a filtered-backprojection is typically used …
radiotherapy and surgery. A short scan followed by a filtered-backprojection is typically used …